115531525124985 has 32 divisors (see below), whose sum is σ = 192024696384000. Its totient is φ = 59243174740736.

The previous prime is 115531525124963. The next prime is 115531525124993. The reversal of 115531525124985 is 589421525135511.

It is a cyclic number.

It is not a de Polignac number, because 115531525124985 - 2⁶ = 115531525124921 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 555523050 + ... + 555730979.

It is an arithmetic number, because the mean of its divisors is an integer number (6000771762000).

Almost surely, 2^{115531525124985} is an apocalyptic number.

115531525124985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115531525124985 is a deficient number, since it is larger than the sum of its proper divisors (76493171259015).

115531525124985 is a wasteful number, since it uses less digits than its factorization.

115531525124985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111254305.

The product of its digits is 10800000, while the sum is 57.

The spelling of 115531525124985 in words is "one hundred fifteen trillion, five hundred thirty-one billion, five hundred twenty-five million, one hundred twenty-four thousand, nine hundred eighty-five".